120849 has 4 divisors (see below), whose sum is σ = 161136. Its totient is φ = 80564.

The previous prime is 120847. The next prime is 120851. The reversal of 120849 is 948021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (120847) and next prime (120851).

It is a cyclic number.

It is not a de Polignac number, because 120849 - 2¹ = 120847 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (120847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20139 + ... + 20144.

It is an arithmetic number, because the mean of its divisors is an integer number (40284).

2¹²⁰⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

120849 is a deficient number, since it is larger than the sum of its proper divisors (40287).

120849 is an equidigital number, since it uses as much as digits as its factorization.

120849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40286.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 120849 is about 347.6334276217. The cubic root of 120849 is about 49.4402912342.

It can be divided in two parts, 120 and 849, that added together give a palindrome (969).

The spelling of 120849 in words is "one hundred twenty thousand, eight hundred forty-nine".